| AAE | American Association of Engineers (skr.) |
|---|---|
| AAI | American Alpine Institute (skr.) |
| AAN | american Alpine News (skr.) |
| AOL | America On Line (skr.) |
| ATC | Anatomical Therapeutic Chemical Classification System for Human Medicines (skr.) |
| ATM | Automated Teller Machine, bankomat (skr.) |
| AUA | Austrian Airlines (skr.) |
| BBA | Bachelor of Business Administration (skr.) |
| CPA | Canadian Pacific Airlines (skr.) |
| CTD | Combined Transport Document, nákladný list pre kombinovanú prepravu Sea - Air (angl.skr.) |